UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MKvV952JGdzkG6msVBUNTiWrjmVj+j7bPA66JGf/ULE=' 
WHERE 
  key_id = 'a4066ba78102a012b3482cdd90ac6324b291d81b8b951637ad550f6e3ee9af82' 
  AND (
    token = 'MKvV952JGdzkG6msVBUNTiWrjmVj+j7bPA66JGf/ULE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )